Home / 140,550.24-193,961.68-76,888.48

Finding the Fourth Proportional to 140,550.24, 193,961.68 and 76,888.48

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Solution

The fourth proportional to 140,550.24, 193,961.68 and 76,888.48 is: 106,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550.24 : 193,961.68 = 76,888.48 : x
  2. Step 2: Convert to fraction form
    140,550.24/193,961.68 = 76,888.48/x
  3. Step 3: Cross multiply
    140,550.24x = 193,961.68 × 76,888.48
  4. Step 4: Simplify right side
    140,550.24x = 14,913,418,753.45
  5. Step 5: Solve for x
    x = 14,913,418,753.45/140,550.24
  6. Step 6: Final answer
    x = 106,107.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.